#ifndef IPCMANAGER_H_INCLUDED
#define IPCMANAGER_H_INCLUDED
void initializeQueues(int);
void clearQueues(int);
int hasMessage(int);
int isFull(int);
int Send(int, int, int);
int Retrieve(int);
int getHead(int);
int getTail(int);
int getSizeOfQueue(int);
message_block* getQueue(int);
#endif